HEAT BARRIER Definition & Meaning

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heat barrier

noun

Aerospace.

thermal barrier.

heat barrier

noun

another name for thermal barrier

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�y��vlog History and Origins

Origin of heat barrier¹

First recorded in 1950–55

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Example Sentences

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The X-2, for instance, was designed to penetrate the “thermal thicket,” also known as the “heat barrier,” where conventional metals begin to melt, according to the New York Times.

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Others said later that space vehicles would never get through the heat barrier.

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